The stock market on May 21, 1985
May 21, 1985, a Tuesday. The S&P 500 fell 0.04% to close at 189.64. Of 5,715 US stocks that traded, 1,641 rose and 1,821 fell.
The S&P 500-0.04%closed at 189.64
How big a move#23,532of 24,799 trading days since 1928
$100 in the index since$4,063price only, to September 24, 2026
Stocks that rose1,641of 5,715; 1,821 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Grumman Corp. (GQ) | +5.1% |
| Gould Inc (GLD) | +4.1% |
| Martin Marietta (ML) | +3.8% |
Biggest falls among the 500 largest companies
| Mesa Inc (MXP.) | -6.1% |
| Providian Corp (PVN) | -5.5% |
| Cullinet Software (CUL) | -5.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 20, 1985 · Every May 21 · May 22, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.